diff options
Diffstat (limited to 'client/mysql.cc')
-rw-r--r-- | client/mysql.cc | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/client/mysql.cc b/client/mysql.cc index 20f87d5cdcd..983d7719c3c 100644 --- a/client/mysql.cc +++ b/client/mysql.cc @@ -112,6 +112,8 @@ extern "C" { #define PROMPT_CHAR '\\' #define DEFAULT_DELIMITER ";" +#define MAX_BATCH_BUFFER_SIZE (1024L * 1024L) + typedef struct st_status { int exit_status; @@ -243,7 +245,7 @@ static COMMANDS commands[] = { { "connect",'r', com_connect,1, "Reconnect to the server. Optional arguments are db and host." }, { "delimiter", 'd', com_delimiter, 1, - "Set statement delimiter. NOTE: Takes the rest of the line as new delimiter." }, + "Set statement delimiter." }, #ifdef USE_POPEN { "edit", 'e', com_edit, 0, "Edit command with $EDITOR."}, #endif @@ -1035,7 +1037,7 @@ static void fix_history(String *final_command); static COMMANDS *find_command(char *name,char cmd_name); static bool add_line(String &buffer,char *line,char *in_string, - bool *ml_comment); + bool *ml_comment, bool truncated); static void remove_cntrl(String &buffer); static void print_table_data(MYSQL_RES *result); static void print_table_data_html(MYSQL_RES *result); @@ -1117,7 +1119,7 @@ int main(int argc,char *argv[]) exit(1); } if (status.batch && !status.line_buff && - !(status.line_buff=batch_readline_init(opt_max_allowed_packet+512,stdin))) + !(status.line_buff= batch_readline_init(MAX_BATCH_BUFFER_SIZE, stdin))) { free_defaults(defaults_argv); my_end(0); @@ -1197,7 +1199,7 @@ int main(int argc,char *argv[]) #endif sprintf(buff, "%s", #ifndef NOT_YET - "Type 'help;' or '\\h' for help. Type '\\c' to clear the buffer.\n"); + "Type 'help;' or '\\h' for help. Type '\\c' to clear the current input statement.\n"); #else "Type 'help [[%]function name[%]]' to get help on usage of function.\n"); #endif @@ -1226,7 +1228,7 @@ sig_handler mysql_sigint(int sig) goto err; /* kill_buffer is always big enough because max length of %lu is 15 */ sprintf(kill_buffer, "KILL /*!50000 QUERY */ %lu", mysql_thread_id(&mysql)); - mysql_real_query(kill_mysql, kill_buffer, strlen(kill_buffer)); + mysql_real_query(kill_mysql, kill_buffer, (uint) strlen(kill_buffer)); mysql_close(kill_mysql); tee_fprintf(stdout, "Query aborted by Ctrl+C\n"); @@ -1766,13 +1768,14 @@ static int read_and_execute(bool interactive) ulong line_number=0; bool ml_comment= 0; COMMANDS *com; + bool truncated= 0; status.exit_status=1; for (;;) { if (!interactive) { - line=batch_readline(status.line_buff); + line=batch_readline(status.line_buff, &truncated); /* Skip UTF8 Byte Order Marker (BOM) 0xEFBBBF. Editors like "notepad" put this marker in @@ -1891,7 +1894,7 @@ static int read_and_execute(bool interactive) #endif continue; } - if (add_line(glob_buffer,line,&in_string,&ml_comment)) + if (add_line(glob_buffer,line,&in_string,&ml_comment, truncated)) break; } /* if in batch mode, send last query even if it doesn't end with \g or go */ @@ -1977,7 +1980,7 @@ static COMMANDS *find_command(char *name,char cmd_char) static bool add_line(String &buffer,char *line,char *in_string, - bool *ml_comment) + bool *ml_comment, bool truncated) { uchar inchar; char buff[80], *pos, *out; @@ -2222,8 +2225,23 @@ static bool add_line(String &buffer,char *line,char *in_string, } if (out != line || !buffer.is_empty()) { - *out++='\n'; uint length=(uint) (out-line); + + if (!truncated && + (length < 9 || + my_strnncoll (charset_info, + (uchar *)line, 9, (const uchar *) "delimiter", 9))) + { + /* + Don't add a new line in case there's a DELIMITER command to be + added to the glob buffer (e.g. on processing a line like + "<command>;DELIMITER <non-eof>") : similar to how a new line is + not added in the case when the DELIMITER is the first command + entered with an empty glob buffer. + */ + *out++='\n'; + length++; + } if (buffer.length() + length >= buffer.alloced_length()) buffer.realloc(buffer.length()+length+IO_SIZE); if ((!*ml_comment || preserve_comments) && buffer.append(line, length)) @@ -2247,8 +2265,10 @@ static char **new_mysql_completion (const char *text, int start, int end); if not. */ -#if defined(USE_NEW_READLINE_INTERFACE) || defined(USE_LIBEDIT_INTERFACE) +#if defined(USE_NEW_READLINE_INTERFACE) char *no_completion(const char*,int) +#elif defined(USE_LIBEDIT_INTERFACE) +int no_completion(const char*,int) #else char *no_completion() #endif @@ -2623,7 +2643,7 @@ static void get_current_db() (res= mysql_use_result(&mysql))) { MYSQL_ROW row= mysql_fetch_row(res); - if (row[0]) + if (row && row[0]) current_db= my_strdup(row[0], MYF(MY_WME)); mysql_free_result(res); } @@ -2830,7 +2850,7 @@ com_charset(String *buffer __attribute__((unused)), char *line) param= get_arg(buff, 0); if (!param || !*param) { - return put_info("Usage: \\C char_setname | charset charset_name", + return put_info("Usage: \\C charset_name | charset charset_name", INFO_ERROR, 0); } new_cs= get_charset_by_csname(param, MY_CS_PRIMARY, MYF(MY_WME)); @@ -3447,7 +3467,7 @@ static void print_warnings() /* Get the warnings */ query= "show warnings"; - mysql_real_query_for_lazy(query, strlen(query)); + mysql_real_query_for_lazy(query, (uint) strlen(query)); mysql_store_result_for_lazy(&result); /* Bail out when no warnings */ @@ -3870,7 +3890,7 @@ static int com_source(String *buffer, char *line) return put_info(buff, INFO_ERROR, 0); } - if (!(line_buff=batch_readline_init(opt_max_allowed_packet+512,sql_file))) + if (!(line_buff= batch_readline_init(MAX_BATCH_BUFFER_SIZE, sql_file))) { my_fclose(sql_file,MYF(0)); return put_info("Can't initialize batch_readline", INFO_ERROR, 0); @@ -4327,7 +4347,8 @@ server_version_string(MYSQL *con) MYSQL_ROW cur = mysql_fetch_row(result); if (cur && cur[0]) { - bufp = strxnmov(bufp, sizeof buf - (bufp - buf), " ", cur[0], NullS); + bufp = strxnmov(bufp, (uint) (sizeof buf - (bufp - buf)), " ", cur[0], + NullS); } mysql_free_result(result); } |